<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>


    <script>


        function rand(min , max) {
            // var num = Math.round(Math.random() * (max - min)) + min ;
            // console.log(num) ;

            return Math.round(Math.random() * (max - min)) + min ;
        }


        document.write(rand(0,100)) ;

    </script>
    
</body>
</html>